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Photodynamic Therapy Lamp Head

US D1,052,103 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Nov 19, 2039 · Medium confidence

In force on USPTO's status record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Oct 18, 2022 as application 29/856,951 · Granted Nov 19, 2024
Base term, 15 years from grant
Today
15 years from grant
2024 2039
Clock starts
Nov 19, 2024
Ends no later than
Nov 19, 2039
base term Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its base term, 15 years from grant, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. No maintenance fees are payable on this kind of patent. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 15 years from grantGranted Nov 19, 2024Nov 19, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Computed term endThe steps above, in orderno later than Nov 19, 2039Medium confidence

This family

US D1,052,103this patent
no later than Nov 2039
no later than Nov 2039
US D1,143,047In force
Aug 2041
Aug 2041
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Dec 23, 2022
Reel 62198, frame 108
Osterloh, Markus; Novak, Ben; Lubbert, HermannBiofrontera Pharma GmbHAssignment of Assignor's Interest
Nov 5, 2025
Reel 73487, frame 1
Biofrontera Pharma GmbHBiofrontera, Inc.Assignment of Assignor's Interest
Jan 26, 2026
Reel 74863, frame 943
Biofrontera Pharma GmbHBiofrontera, Inc.Corrective Assignment to Correct the Execution Date Previously Recorded on Reel 73487 Frame 1. Assignor(S) Hereby Confirms the Assignment .

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center

No maintenance fees are payable on this kind of patent, so the record carries no fee events.

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